battery..

I have a mid-2013 rMBP 15 .. the battery health and all says 180 cycles and 97% capacity of the original batter .. I know these batteries can't be replaced .. they're built-in and supposed to do 1000 cycles ..

have any of you done like 400 or 500 cycles .. and your battery capacity is down accordingly to 50%? ..

I have a mid-2013 rMBP 15 .. the battery health and all says 180 cycles and 97% capacity of the original batter .. I know these batteries can't be replaced .. they're built-in and supposed to do 1000 cycles ..

have any of you done like 400 or 500 cycles .. and your battery capacity is down accordingly to 50%? ..

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That's not how it works at all. I think whoever gave your that info has misled you completely.

The battery is rated to keep 80% of its original capacity for 1000 cycles. So no, it won't go down to 50% by the time it reaches 500 cycles. Do the math yourself, you'd lose 0.1% battery per cycle. At 180 cycles you should be down to 82%. You're clearly not.

Regardless, the battery'll die from old age at around the 5 year mark, no matter how much or how little you use it.

I have a mid-2013 rMBP 15 .. the battery health and all says 180 cycles and 97% capacity of the original batter .. I know these batteries can't be replaced .. they're built-in and supposed to do 1000 cycles ..

have any of you done like 400 or 500 cycles .. and your battery capacity is down accordingly to 50%? ..

Click to expand...

Your battery is fine. It is perfectly normal if your battery health (maximum capacity) is more or less than 100%, even when brand new, or if it fluctuates up or down over time. The gradual decline is not in a straight line downward, and it may decline more rapidly at some times and slower at others. For further details, read the CHECKING STATUS AND HEALTH section of the following link.

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The link below should answer most, if not all, of your battery/charging questions. If you haven't already done so, I highly recommend you take the time to read it.

I don't think I've ever had a notebook I had to take in for any type of issues or service .. I usually keep my main work-horse laptop (the 15" one) for five years or so .. the others I just buy and sell because I like to play with them and love Apple technology ..

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